n=input()
s=n[::-1]
if s==n:
    print("shi")
else:
    print("bushi")   ###回文数
for n in range(100,1000):
    a=n//100
    b=n//10%10
    c=n%10
    if n==a**3+b**3+c**3:
        print(n,end="t")########求水仙花数
s=[1,2,3,4,3,5]
s.append(777)
print(s)
s.extend({666,999,6666})
print(s)
s.insert(666,"鸡鸡鸽鸽哒")
print(s)
s[1]=888
print(s)
s[2:5]=[6,7]#######列表
for n in range(1900,2901):
     if n%4==0 and n%100!=0 or n%400==0:
         print(n)
for i in range(1,101):
 if 70<=i<80:
     continue
 elif i%13==0:
     print(i)

print("*********")
print(" *******")
print("  *****")
print("   ***")
print("    *")######练习题
a=int(input())
if a%4==0 and a%100!=0 or a%400==0:
    print(f"{a}是闰年")
else:print(f"{a}不是闰年")

